Pci configuration space map – ADLINK Express-IB User Manual
Page 39
Express-IB
Page 39
IRQ# Typical Intterupt Resource
Connected to Pin
Available
20
N/A
PCH internal GBE controller
Note (1)
21
N/A
UHCI Controller 5
Note (1)
22
N/A
PCH HDA
Note (1)
23
N/A
UHCI Controller , EHCI Controller
Note (1)
Note (1): These IRQs can be used for PCI devices when onboard device is disabled. If IRQ is from ISA, user must reserve IRQ for ISA in
BIOS setup menu.
6.5. PCI Configuration Space Map
Bus Number Device
Number
Function
Number
Routing
Description
00h
1Fh
00h
Internal
LPC Interface Bridge
00h
1Fh
02h
Internal
SATA Controller #0
00h
1Fh
05h
Internal
SATA Controller #1
00h 1Fh 03h Internal SMBus
Controller
00h 14h 00h Internal xHCI
Controller
00
1Dh
00h
Internal
EHCI Controller #0
00
1Ah
00h
Internal
EHCI Controller #1
00
1Bh
00h
Internal
High Definition Audio
00
19h
00h
Internal
Gigabit LAN Controller
00 16h 00h Internal Management
Engine
00h
1Ch
00h
Internal
PCIE Root Port #0
00h
1Ch
01h
Internal
PCIE Root Port #1
00h
1Ch
02h
Internal
PCIE Root Port #2
00h
1Ch
03h
Internal
PCIE Root Port #3
00h
1Ch
04h
Internal
PCIE Root Port #4
00h
1Ch
05h
Internal
PCIE Root Port #5
00h
1Ch
06h
Internal
PCIE Root Port #6
00h 00h 00h N/A
Host
Bridge
00h 02h 00h Internal I.G.F.X